# CVE-2023-2611: Advantech R-SeeNet Use of Hard-coded Credentials

> Advantech R-SeeNet contains a hidden root-level user with unchangeable hard-coded credentials, allowing attackers to gain unauthorized administrative access.

- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 22 Jun 2023
- **Updated:** 16 Jan 2025
- **Also known as:** GHSA-86p5-h8pq-p6hx

## What is CVE-2023-2611?

CVE-2023-2611 is a critical vulnerability in Advantech  R-SeeNet, published on 22 Jun 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Advantech R-SeeNet 
versions 2.4.22 

is installed with a hidden root-level user that is not available in the 
users list. This hidden user has a password that cannot be changed by 
users.

Weakness: CWE-798 (Use of Hard-coded Credentials)

## Which versions are affected by CVE-2023-2611?

It affects 1 product.


Products: Advantech R-Seenet.

## How do I fix CVE-2023-2611?

No fix has been published for CVE-2023-2611 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-2611 being exploited?

There is no known exploitation of CVE-2023-2611 in the wild and no public exploit code.

## Other vulnerabilities in Advantech  R-SeeNet

- [CVE-2023-5642](https://insights.sbomify.com/CVE-2023-5642/): Advantech R-SeeNet Unauthenticated Read/Write (critical 9.8)
- [CVE-2022-3385](https://insights.sbomify.com/CVE-2022-3385/): Memory corruption in R-SeeNet (critical 9.8)
- [CVE-2022-3386](https://insights.sbomify.com/CVE-2022-3386/): Memory corruption in R-SeeNet (critical 9.8)
- [CVE-2021-21805](https://insights.sbomify.com/CVE-2021-21805/): Command injection in Advantech (critical 9.8)
- [CVE-2021-21799](https://insights.sbomify.com/CVE-2021-21799/): Cross-site scripting in Advantech (critical 9.6)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-2611 and fix it if it is affected.

What it is: CVE-2023-2611 is a critical vulnerability in Advantech  R-SeeNet, published on 22 Jun 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-2611 in the wild and no public exploit code.

Affected product: Advantech  R-SeeNet. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2023-2611/ (Markdown: https://insights.sbomify.com/CVE-2023-2611/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-2611
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-2611
- OSV: https://osv.dev/vulnerability/CVE-2023-2611

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-2611/
Summaries are generated and may contain mistakes; the official description above is the record.